document.write( "Question 646951: Karen is twice as old as Maria. Karen is also three years older than Maria. How old is Maria? \n" ); document.write( "
Algebra.Com's Answer #406011 by ankor@dixie-net.com(22740)![]() ![]() You can put this solution on YOUR website! Write an equation for each statement \n" ); document.write( ": \n" ); document.write( "Karen is twice as old as Maria. \n" ); document.write( "k = 2m \n" ); document.write( " Karen is also three years older than Maria. \n" ); document.write( "k = m + 3 \n" ); document.write( "Replace k with 2m (from the 1st statement) \n" ); document.write( "2m = m + 3 \n" ); document.write( "2m - m = 3 \n" ); document.write( "m = 3 yrs is Maria's age\r \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |